The aim is to help the microscopist ascertain the presence of parasites in faeces whether they be minute protozoan cysts or large helminth eggs and to identify them correctly with this goal in mind the bench aids include pertinent laboratory instructions as well as high quality images the photomicrographs illustrate diagnostic features of each of the parasites as they appear in different preparations and at different magnifications each photomicrograph is produced with a measuring bar . This second edition of bench aids for the diagnosis of intestinal parasites is intended both as a practical tool for the diagnosis of intestinal parasitic infections for laboratory and field workers and as a teaching aid for students and trainees the plates are arranged on two sides the recto with microphotographs for the identification of eggs larvae trophozoites cysts and oocysts occurring in faeces and the verso dedicated to the different copromicroscopical methods procedures and . Bench aids for the diagnosis of intestinal parasites a set of nine a 4 colour plates with 118 photomicrographs illustrating the appearance and diagnostic features of all the common intestinal helminths and protozoan parasites known to infect humans. This second edition of bench aids for the diagnosis of intestinal parasites is intended both as a practical tool for the diagnosis of intestinal parasitic infections for laboratory and field workers and as a teaching aid for students and trainees the plates are arranged on two sides the recto with microphotographs for the identification of eggs larvae trophozoites cysts and oocysts occurring in faeces and the verso dedicated to the different copromicroscopical methods procedures and